Bob Langer

Well, I think it's a great question, and I ultimately think it's a judgment call, and we can never be sure of our judgment. You like to try to think, are these things scientifically possible? I think that's one thing. Secondly, it's good to get advice from people. That doesn't mean you have to take it, but it's good to get advice.

Well, I think it's a great question, and I ultimately think it's a judgment call, and we can never be sure of our judgment. You like to try to think, are these things scientifically possible? I think that's one thing. Secondly, it's good to get advice from people. That doesn't mean you have to take it, but it's good to get advice.

I certainly personally have always erred on the side of, I guess, not quitting, and maybe that's sometimes a mistake. I don't think so. I think it depends on what could happen if you are successful. If you are successful, could it make a giant difference in the world? Could it help science a lot? Could it help patients' lives a lot? And so if you really feel that it can, you try that much harder.

I certainly personally have always erred on the side of, I guess, not quitting, and maybe that's sometimes a mistake. I don't think so. I think it depends on what could happen if you are successful. If you are successful, could it make a giant difference in the world? Could it help science a lot? Could it help patients' lives a lot? And so if you really feel that it can, you try that much harder.

I certainly personally have always erred on the side of, I guess, not quitting, and maybe that's sometimes a mistake. I don't think so. I think it depends on what could happen if you are successful. If you are successful, could it make a giant difference in the world? Could it help science a lot? Could it help patients' lives a lot? And so if you really feel that it can, you try that much harder.

If it's incremental, sure, then it's much easier to quit.

If it's incremental, sure, then it's much easier to quit.

If it's incremental, sure, then it's much easier to quit.

One, I guess I've always been very stubborn. My parents told me that. But secondly, I think there's a whole thing with role models, too. When I was a postdoc, the man that I worked with, Judah Folkman, he experienced the same thing. He had this theory that if you could stop blood vessels, you could stop cancer, and that was mediated by chemical signals.

One, I guess I've always been very stubborn. My parents told me that. But secondly, I think there's a whole thing with role models, too. When I was a postdoc, the man that I worked with, Judah Folkman, he experienced the same thing. He had this theory that if you could stop blood vessels, you could stop cancer, and that was mediated by chemical signals.

One, I guess I've always been very stubborn. My parents told me that. But secondly, I think there's a whole thing with role models, too. When I was a postdoc, the man that I worked with, Judah Folkman, he experienced the same thing. He had this theory that if you could stop blood vessels, you could stop cancer, and that was mediated by chemical signals.

And everyone told him he was wrong, but I would watch him every day, and he believed anything was possible. And he kept sticking to it. And of course, eventually he was right. I think seeing his example probably also had a big effect on me.

And everyone told him he was wrong, but I would watch him every day, and he believed anything was possible. And he kept sticking to it. And of course, eventually he was right. I think seeing his example probably also had a big effect on me.

And everyone told him he was wrong, but I would watch him every day, and he believed anything was possible. And he kept sticking to it. And of course, eventually he was right. I think seeing his example probably also had a big effect on me.

I think that's an interesting question. A lot of it even depends how you define failure. You know, when you're trying to learn about something, you try different things and embedded in the scientific papers we write, like when we wrote this paper in Nature in 1976, which was the first time you could get small particles to release large molecules from biocompatible materials.

I think that's an interesting question. A lot of it even depends how you define failure. You know, when you're trying to learn about something, you try different things and embedded in the scientific papers we write, like when we wrote this paper in Nature in 1976, which was the first time you could get small particles to release large molecules from biocompatible materials.

I think that's an interesting question. A lot of it even depends how you define failure. You know, when you're trying to learn about something, you try different things and embedded in the scientific papers we write, like when we wrote this paper in Nature in 1976, which was the first time you could get small particles to release large molecules from biocompatible materials.

Well, some of the materials we use failed. A lot of them did, actually, because they would either cause inflammation or the drug would come out way too fast or not come out at all. We found one fraction that worked and stopped blood vessels and probably 50 or 100 that didn't. So the failures and successes are maybe in the same papers sometimes. What I've tried to do, even to give more detail—

Well, some of the materials we use failed. A lot of them did, actually, because they would either cause inflammation or the drug would come out way too fast or not come out at all. We found one fraction that worked and stopped blood vessels and probably 50 or 100 that didn't. So the failures and successes are maybe in the same papers sometimes. What I've tried to do, even to give more detail—

Well, some of the materials we use failed. A lot of them did, actually, because they would either cause inflammation or the drug would come out way too fast or not come out at all. We found one fraction that worked and stopped blood vessels and probably 50 or 100 that didn't. So the failures and successes are maybe in the same papers sometimes. What I've tried to do, even to give more detail—